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. LUBRIGATOR- I Patented July 14, 1885."

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CLARENCE B. HODGES, OF DETROIT, llllUlllGAN.

LUBRICATOR.

SPECIFICATION forming part of Letters Patent No. 322,291, dated July 14, 1885.

Application lilod May 533, 1885. (NonlodelJ To aZZ whom it may concern:

Be it known that I, GLARnNcn B. Homes, of Detroit, county of Wayne, State of Michigan, have invented a new and useful Improveement in Lubricators; and I do declare the following to bea full, clear, and exact description of the same, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the acc0mpanying drawings, which form a part of this specification My invention consists of the combinations of devices and appliances hereinafter specified, and more particularlypointed out in the claims.

My invention has for its object the introduction of steam and the exit of oil both through the stem at the base of the lubricator; also, in such construction as shall keep the steam and oil from commingling with each other as the steam is introduced and led up into the condenser and permitting the two to come together only when the steam and oil are passing in the same direction toward the parts to be lubricated; also, in providing a steai'n-pipe or conduit which starts from the condenser, at which point it takes its steam, forming at the same time the oil-exit conduit and a co1nmu nication between said pipe and the top of the visible feed tube, whereby an equalizingpressure is exerted back into the top of the visiblefecd chamber, and through which the oil is fed to the said conduit; also, in other novel features of construction, which will be hereinafter described and claimed.

In carrying out my invention Figure II. is a longitudinal sectional view of a lubricator illustrating my invention. Fig. 2isascetional View at right angles to the former, illustrating the conduit for leading condense-water into the 0il-rcservoir and its valve. Fig. 3 is a horizontal section through the bracket or support.

A is an oil-reservoir; 13, its condenser; 0, its sight feed or tube. D is the stem. E is a bracket or support adapted for attaching it to the steam-boiler, SliO-ltl'lldlOitd, or other source of steam, F.

G is the oil-exit, through which oil islcd to the part to be lubricated.

The bracket or support E is cored or other wise provided with a steanrpassagc, c, which is controlled by a valve, l This passage leads up through the neck 1), and thence, by a pipe or conduit, 0 and c", delivers its steam into the top of the condenser B.

(j is a steam-equalizing pressure-pipe, attached to the top of the oil-rescrvoir and higher than the steanrpipe in the eondensing-chamber, and communicates with the oildelivery pipe 9", whereby an equalizingpressure is exerted upon the outl'lowing oil.

g is a communicntirig-passage, which leads from pipe 5 into the top of the sight-feed chamber or tube 0.

e is an oil-pipe leading from near the top of the oil-chamber down to the bottom of the sight'feed tube.

bis a water-conduit leading from the bot tom of the condenser B down nearly to the bottom of the oi l-rcservoir A, and preferably controlled by the valve B.

The operation of the device will now (lei-stood. Steam cntm'iug through the conduit 0 a c and on its way does not with the oil which is on its way to the parts to be lubricated. Free steam is therefore always provided in the top of the condensingchamber, and the water of condensation cannot rise higher than the top of the said conduit, for thereafterit would flowbaek through the conduit into the steam-chamber F. This free steam in the top of the eondense1',dcscendin g through the conduit 9, exerts a back press ure through the conduit y" into the top of the visible-feed chamber 0, and so forms a sub stantial equilibrium within the oil-reservoir and visible-feed chamber. tinuing downward below the conduit y, con stitutes below this point the oil-exit passage, leading the oil to the parts to be lubricated, and keeps the same free from the incoming steam, and delivers a jet of steam and oil into the oil-exit conduit G. The condense-Water be unfrom F passes into the condenser, come in contact at all passing through the conduit Z: is regulated by the valve B, and, passing into the oilreservoi r A, floats the oil and causes it to pass into and down through the conduit 0 into the bot tom of the visible-feed chamber in the usual way. i

C is a valve, which I pro for to locate at the The conduit 9, conbase of the visible-feed chamber. The feed of the lubricator can, therefore, be nicely regulated either by the valve 0 or by the condense-water valve B, or by the steam-valve E, or by the combined adjustment of all of these valves.

It will be observed that the steam in entering and the oil and steam in leaving the lubricator do not come in contact at any point. There is therefore no liability of injecting oil with the steam up into the condenser, and consequently there is no danger by overflowwater from the condenser of carrying oil back through the steam-supply conduit into the boiler or steam-chamber F. There is therefore produced fa lubricator of very compact form, with its steam and oil conduits located within its body, and which is very certain and effectual in its operation.

The conduit e and e as also the conduits g g g g,1nay be made in any convenient manner. As a measure of economy and simplicity, however, I prefer to form the parts e, g, g", and b in the process of casting, and so, also, the conduit 0 may be formed in like manner.

The upper ends, 6 and 9, may be tubes screwed into place, and so, also, the section 9 is preferably a tube screwed into place, and in this latter case Iprefer to make a tight joint, 9, at the lower end, so as to prevent any leakage of steam from the neck D down through the space around the tube in the holder E, and thence into the oil-exit conduit G. I

Of course it is not material that the bracket should. be arranged for direct connection with the steam-chamber F, for the connection might be by an. intermediate pipe.

While I purpose to employ the device in substantially the form shown in the drawings, yet it is apparent that I may lead the steamconduit to its present point of discharge within the condenser without passing up through the body of the lubficator, it only being necforth.

essary for the proper working of the device that it should be adapted to drain back through it all condense-water rising above its point of discharge, so as to leave at all times asteam-space in the top of the condenser and extending below the upper end of the conduit 9.

What I claim is 1. In a sight-feed lubricator, independent steam-admission and oil-exit conduits passing through a common stem belowthe oil-reservoir, the latter conduit communicating with the top of the sight-feed chamber and having an extension projecting into the steam-space at the top of the condenser above the steampipe, the cons uction being such that the in coming steam and outgoing oil do not come in contact with each other, substantially as described.

2. The combination, in a lubricator, of the following elements: an oil-reservoir, a sightfeed chamber, and a condenser adapted to feed the oil through the sight-feed chamber by feeding condense-water into the oil-reservoir, and in connection therewith a steamconduit leading to a point within and near to the top of the condenser, adapted to drain back through this conduit condense-water rising above its discharge end, an oil-discharge conduit leading from the discharge end of the sight-feed chamber down through the lubricator and out at its base, and a conduit communicating from thelatter with the steamspace at the top of the condenser above the steam-pipe,whereby an equalizing-pressure is communicated back against the outflowing oil, substantially as and for the purpose set In testimc y whereof I sign this specification in the presence of two witnesses.

CLARENCE B. HODGES. Witnesses:

M. B. ODoGHER'rY, SAMUEL E. THOMAS. 

